Rainbow Electronics MAX6796 - Manual (Page 10)

MAX6791–MAX6796
High-Voltage, Micropower, Single/Dual Linear
Regulators with Supervisory Functions
10 ______________________________________________________________________________________
Pin Description
Typical Operating Characteristics (continued)
(V
IN
= V
EN
= 14V, C
IN
= 0.1µF, C
OUT
= 10µF, T
J
= T
A
= +25°C, unless otherwise noted.)
LOAD-TRANSIENT RESPONSE
MAX6791-96toc21
OUT1
AC-COUPLED
I OUT1
100mA/div
1mA
500mV/div
1ms/div
MAX6792
OUT1 = 5V
C
OUT = 10 µF
LOAD-TRANSIENT RESPONSE
MAX6791-96toc22
I OUT1
OUT1
AC-COUPLED
100mA/div
20mA
500mV/div
1ms/div
MAX6792
OUT1 = 5V
C
OUT = 10 µF
PIN
MAX6791/
MAX6792
MAX6793/
MAX6794
MAX6795/
MAX6796
NAME FUNCTION
1, 2 1, 2 — OUT1
Reg ul ator 1 Outp ut. Fi xed ( + 1.8V , + 2.5V , + 3.3V , or + 5V ) or ad j ustab l e ( + 1.8V to
+ 11V ) . OU T1 = 150m A ( m ax) . C onnect a 10µF ( m i n) cap aci tor fr om OU T1 to GN D .
3 3 — SET1
Feed b ack Inp ut for S etti ng the O U T1 V ol tag e. C onnect S E T1 to GN D to sel ect the
p r eset outp ut vol tag e. C onnect to an exter nal r esi sti ve d i vi d er for ad j ustab l e
outp ut op er ati on.
4 4 4 PFO
Active-Low, Open-Drain, Power-Fail Comparator Output. PFO asserts low
when PFI is below the internal 1.231V threshold. PFO deasserts when PFI is
above the internal 1.231V threshold.
5 5 5 CSWT
Watchd og Ti m eout P er i od Ad j ust Inp ut. C onnect C S WT to OU T1/OU T for the
i nter nal l y fi xed w atchd og ti m eout p er i od . For ad j ustab l e w atchd og ti m eout p er i od ,
connect a cap aci tor fr om C S WT to GN D . C onnect C S WT to GN D to d i sab l e the
w atchd og . S ee the S el ecti ng Watchd og Ti m eout P er i od secti on for m or e d etai l s.
6 6 6 CSRT
Reset Timeout Period Adjust Input. Connect CSRT to OUT1/OUT for the
internally fixed timeout period. For adjustable timeout, connect a capacitor
from CSRT to GND. See the Reset Output section for more details.
7 7 7 GND Ground
8 8 8 RESET
Acti ve- Low Reset Outp ut. RES ET r em ai ns l ow w hi l e OU T1/OU T i s b el ow the r eset
thr eshol d . RES ET r em ai ns l ow for the d ur ati on of the r eset ti m eout p er i od after the
r eset cond i ti ons end . RES ET i s avai l ab l e i n p ush- p ul l and op en- d r ai n op ti ons.